4989820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 11759328

約数和(自身を除く): 6769508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 613, 740, 814, 1226, 1628, 2035, 2452, 3065, 4070, 6130, 6743, 8140, 12260, 13486, 22681, 26972, 33715, 45362, 67430, 90724, 113405, 134860, 226810, 249491, 453620, 498982, 997964, 1247455, 2494910, 4989820]

約数ペア:

[(1, 4989820), (2, 2494910), (4, 1247455), (5, 997964), (10, 498982), (11, 453620), (20, 249491), (22, 226810), (37, 134860), (44, 113405), (55, 90724), (74, 67430), (110, 45362), (148, 33715), (185, 26972), (220, 22681), (370, 13486), (407, 12260), (613, 8140), (740, 6743), (814, 6130), (1226, 4070), (1628, 3065), (2035, 2452)]